Nonlinear measurements on AF-50

Paul A. Fleitz; Mark C. Brant; Richard L. Sutherland; Friedrich P. Strohkendl; R. Joe Larsen; Larry Raymond Dalton

doi:10.1117/12.326876

12 October 1998 Nonlinear measurements on AF-50

Paul A. Fleitz, Mark C. Brant, Richard L. Sutherland, Friedrich P. Strohkendl, R. Joe Larsen, Larry Raymond Dalton

Proceedings Volume 3472, Nonlinear Optical Liquids for Power Limiting and Imaging; (1998) https://doi.org/10.1117/12.326876
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

The nonlinear optical properties of N,N-diphenyl-7-[2-(4- pyridinyl) ethenyl]-9,9-di-n-decylfluoren-2-amine [AF- 50] have been investigated. The nonlinear absorption of a saturated solution of this material in acetone was investigated with 430 femtosecond pulses at 790 nm. From these results, the two-photon absorption cross-section was determined to be 25 X 10^-50 cm⁴sec/photon molecule. This number is in agreement (within a factor of 2) with theoretical calculations. Nonlinear absorption and optical limiting measurements were also made using a Nd:YAG pumped dye laser with 4.3 ns pulses at 694 nm. These results suggest inherent differences in the performance of two-photon absorbing materials in these two different geometries.

Citation Download Citation

Paul A. Fleitz, Mark C. Brant, Richard L. Sutherland, Friedrich P. Strohkendl, R. Joe Larsen, and Larry Raymond Dalton "Nonlinear measurements on AF-50", Proc. SPIE 3472, Nonlinear Optical Liquids for Power Limiting and Imaging, (12 October 1998); https://doi.org/10.1117/12.326876

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